Mwave offers the Premiertek Outdoor 24dBi Super High-Gain Wireless Antenna, model no. ANT-GRID-24dBi, for $42.99. Coupon code "3AA97959" cuts it to $39.99. With free shipping, that's $3 under our January mention and the lowest total price we've ever seen. (It's also a current low by $4.) This antenna has a frequency range of 2.4GHz to 2.48GHz and gain of 24dBi. Deal ends May 31.